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SIGIR
2008
ACM
13 years 7 months ago
Enhancing text clustering by leveraging Wikipedia semantics
Most traditional text clustering methods are based on "bag of words" (BOW) representation based on frequency statistics in a set of documents. BOW, however, ignores the ...
Jian Hu, Lujun Fang, Yang Cao, Hua-Jun Zeng, Hua L...
CIKM
2010
Springer
13 years 6 months ago
Learning to rank relevant and novel documents through user feedback
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
Abhimanyu Lad, Yiming Yang
ICTAC
2009
Springer
13 years 5 months ago
Integration Testing from Structured First-Order Specifications via Deduction Modulo
Testing from first-order specifications has mainly been studied for flat specifications, that are specifications of a single software module. However, the specifications of large s...
Delphine Longuet, Marc Aiguier
KDD
2009
ACM
173views Data Mining» more  KDD 2009»
14 years 8 months ago
Constant-factor approximation algorithms for identifying dynamic communities
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
Chayant Tantipathananandh, Tanya Y. Berger-Wolf
ISLPED
2006
ACM
145views Hardware» more  ISLPED 2006»
14 years 1 months ago
An optimal analytical solution for processor speed control with thermal constraints
As semiconductor manufacturing technology scales to smaller device sizes, the power consumption of clocked digital ICs begins to increase. Dynamic voltage and frequency scaling (D...
Ravishankar Rao, Sarma B. K. Vrudhula, Chaitali Ch...